1) Type: 6000, R and 16series 2) size range: 4mm to 650mm 3) Shield: Z ZZ RS 2RS OPEN 4) OEM service 5) IS09001 CERTIFICAT We can supply various kinds of high quality Deep Groove Ball Bearings. Bearing Specifications: 1) Bearing type: 6000, 6200, 6300, 6800, 6900, R and 16series 2) Bore diameter range: 4mm to 650 mm 3) Shield/closure: RS, 2RS, Z, ZZ, OPEN4) Snap ring: N, NR 5) Tolerance codes: ...